Anode-feeiciency
[电] 阳极效率
🧩 词语组成解析
🗣️ 情景例句
We're a family, Harry.
我们是一家人， Harry。
Nothing for nothing.
不费力气，一无所得。
Our TV set was broken last week. He mended it for us.
上星期我们的电视机坏了。他为我们修好了。